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Laptop operation using car battery

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XL-power

New Member
How can I use the battery of the car to charge the Laptop ?
Please provide me with electric circuit used in that
thanks in advance
 

mneary

New Member
You didn't say what kind of laptop, or what kind of car, or where you are.

However, I think this will give you everything you need.
 

XL-power

New Member
You didn't say what kind of laptop, or what kind of car, or where you are.

However, I think this will give you everything you need.
hi mneary
For me not necessary the kind of laptop or the type of the car
because I speak in general
I wanna know the electronic part
 

XL-power

New Member
is it important to write the kind of the battary and the type of the car?? =(

I speak about the electronic part for general uses
 
Last edited:

Mike_2545

Super Moderator
is it important to write the kind of the battary and the type of the car?? =(

I speak about the electronic part for general uses
In general you connect the positive and negative of the source to the positive and negative of the load, but in your case we don't know what the source or load are.
 

Grossel

Well-Known Member
If the laptop is old, and battery (in laptop) is also forever dead, and was rated 12V, you could always disassemble the laptop and connecting ground ang positive 12V from the car directly on the laptops battery contacts. After the battery is removed of course. But this is risky buisiness, so god luck :)
 

giftiger_wunsch

New Member
If you just want to charge the laptop battery using the car battery, then there are plenty of commercial alternators available for producing mains voltage for use in the car. Most of them simply have power sockets on them which you can plug anything into that would normally run on mains power.
 
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